Home / 37,235.16-51,386.94-21,321.72

Finding the Fourth Proportional to 37,235.16, 51,386.94 and 21,321.72

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Solution

The fourth proportional to 37,235.16, 51,386.94 and 21,321.72 is: 29,425.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,235.16 : 51,386.94 = 21,321.72 : x
  2. Step 2: Convert to fraction form
    37,235.16/51,386.94 = 21,321.72/x
  3. Step 3: Cross multiply
    37,235.16x = 51,386.94 × 21,321.72
  4. Step 4: Simplify right side
    37,235.16x = 1,095,657,946.34
  5. Step 5: Solve for x
    x = 1,095,657,946.34/37,235.16
  6. Step 6: Final answer
    x = 29,425.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.